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The $$gamma${}$-ray spectra accompanying the decay of $_{67}mathrm{Ho}^{166}$ (26.7 h), $_{67}mathrm{Ho}^{166m}$ (1.2ifmmodetimeselsetexttimesfi{}${10}^{3}$ yr), $_{70}mathrm{Yb}^{166}$ (57 h), and $_{69}mathrm{Tm}^{166}$ (7.7 h) have been examined with Ge...
In this study, we developed a small 3 times zoom lens barrel for a 5M camera module to load a mobile phone set. Its dimensions are 16mm × 9mm × 28mm and is constructed with 8 sheets of lenses, two step motors, some gears, a cam plate and so on.关键词: Auto-focusing - camera ...
Book Review: The Odd Couple: A True Labour of Love ; the Life and Times of Sidney and Beatrice Webb: 1858-1905, the Formative Years by Royden J Harrison (Macmillan Press, Pounds 50) 来自 highbeam.com 喜欢 0 阅读量: 16 作者: B Crick ...